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Curr Opin Hematol. 2000 Jan;7(1):53-8.

Myeloperoxidase.

Author information

1
Department of Pathology, Christchurch School of Medicine, New Zealand. christine.winterbourn@chmeds.ac.nz

Abstract

This review covers recent advances in the biology of myeloperoxidase. Mechanisms of posttranslational processing and how these fail in some of the common deficiency mutants are discussed. We also review the enzymology that points to myeloperoxidase having a number of physiologic substrates in addition to chloride and the evidence that it produces hypochlorous acid in the neutrophil phagosome in sufficient quantities to be bactericidal. Evidence is accumulating that myeloperoxidase-derived oxidants modify biologic macromolecules and cell-regulatory pathways and that they play a role in atherosclerosis. Investigation of disease incidence in relation to a polymorphism in the promoter region of the gene has produced interesting associations. These links with inflammatory diseases can now be pursued further using specific biomarkers of myeloperoxidase activity.

PMID:
10608505
[Indexed for MEDLINE]

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